Table 4 Fall risk, stability and Fourier harmony indices obtained by the computerized posturography in eight positions
Group 1 | Group 2 | pF | pM | pG | |||||
|---|---|---|---|---|---|---|---|---|---|
Female (n = 81) | Male (n = 17) | Total (n = 98) | Female (n = 76) | Male (n = 26) | Total (n = 102) | ||||
Fall risk category, n (%) | 0.841 | 0.029 | 0.502 | ||||||
Low | 19 (23.4) | 1 (5.9) | 20 (20.4) | 17 (22.3) | 11 (42.3) | 28 (27.5) | |||
Intermediate | 23 (28.4) | 5 (29.4) | 28 (28.6) | 19 (25) | 6 (23) | 25 (24.5) | |||
High | 39 (48.2) | 11 (64.7) | 50 (51) | 40 (52.7) | 9 (34.7) | 49 (48) | |||
Stabililty index* | |||||||||
Position 1 | 21.5 (9.6–90.5) | 24.6 (15.5–90.6) | 22 (9.6–90.6) | 18.6 (8.9–114.2) | 19.4 (11.3–70) | 19 (8.9–114.2) | 0.202 | 0.164 | 0.132 |
Position 2 | 21.2 (10.4–75.5) | 29 (17.6–98.6) | 22.7 (10.4–98.6) | 23 (8.5–76.5) | 19.4 (9–103.8) | 21.7 (8.5–103.8) | 0.568 | < 0.001 | 0.047 |
Position 3 | 16.2 (9.6–43.1) | 19.4 (10.7–53.8) | 16.5 (9.6–53.8) | 15 (5.6–76.8) | 14.4 (9.4–53.8) | 14.7 (5.6–76.8) | 0.035 | 0.008 | 0.002 |
Position 4 | 22 (8.7–69.1) | 25.1 (15.7–75.1) | 22.4 (8.7–75.1) | 19.6 (6.9–59.2) | 19.6 (10.6–56.9) | 19.6 (6.9–59.2) | 0.270 | 0.021 | 0.031 |
Position 5 | 23.1 (6.1–77) | 33.9 (16.8–109.3) | 24.3 (6.1–109.3) | 23.1 (8.7–66.5) | 21.7 (10.7–76.5) | 22.5 (8.7–76.5) | 0.907 | 0.031 | 0.312 |
Position 6 | 23 (5.5–90.3) | 27.7 (19.6–73.3) | 23.4 (5.5–90.3) | 25.5 (9.6–60.3) | 20.5 (11.8–78.9) | 23.8 (9.6–78.9) | 0.521 | 0.003 | 0.441 |
Position 7 | 23.7 (7.6–82.1) | 33 (13.8–78.1) | 24.4 (7.6–82.1) | 24.9 (6.4–60.2) | 19.9 (12.8–91.9) | 23.9 (6.4–91.9) | 0.769 | 0.007 | 0.287 |
Position 8 | 24.9 (6.1–130.2) | 32 (4.7–80.2) | 26.8 (4.7–130.2) | 25.1 (5.9–75.5) | 19.5 (12.1–92.7) | 22.6 (5.9–92.7) | 0.355 | 0.005 | 0.013 |
Fourier harmony index* | |||||||||
Position 1 | 0.91 (0.25–1) | 0.77 (0.29–0.99) | 0.88 (0.25–1) | 0.89 (0.33–1) | 0.79 (0.39–0.99) | 0.87 (0.33–1) | 0.781 | 0.559 | 0.791 |
Position 2 | 0.77 (0.23–0.99) | 0.76 (0.22–0.98) | 0.77 (0.22–0.99) | 0.85 (0.11–0.99) | 0.75 (0.4–0.97) | 0.84 (0.11–0.99) | 0.020 | 0.551 | 0.028 |
Position 3 | 0.87 (0.22–1) | 0.85 (0.34–0.97) | 0.86 (0.22–1) | 0.88 (0.32–0.99) | 0.90 (0.6–0.99) | 0.89 (0.32–0.99) | 0.239 | 0.123 | 0.072 |
Position 4 | 0.85 (0.17–0.99) | 0.72 (0.31–0.97) | 0.84 (0.17–1) | 0.86 (0.26–0.99) | 0.84 (0.28–0.99) | 0.85 (0.26–0.99) | 0.768 | 0.146 | 0.839 |
Position 5 | 0.90 (0.42–0.99) | 0.90 (0.28–0.98) | 0.90 (0.28–0.99) | 0.89 (0.22–0.99) | 0.87 (0.45–0.98) | 0.88 (0.22–0.99) | 0.499 | 0.950 | 0.436 |
Position 6 | 0.88 (0.38–0.99) | 0.88 (0.51–0.98) | 0.88 (0.38–0.99) | 0.88 (0.51–0.98) | 0.93 (0.48–0.99) | 0.89 (0.28–0.99) | 0.545 | 0.164 | 0.172 |
Position 7 | 0.89 (0.23–0.99) | 0.94 (0.48–0.98) | 0.90 (0.23–0.99) | 0.88 (0.28–0.99) | 0.88 (0.52–0.99) | 0.88 (0.5–0.99) | 0.519 | 0.636 | 0.382 |
Position 8 | 0.88 (0.03–0.99) | 0.86 (0.49–0.98) | 0.88 (0.03–0.99) | 0.86 (0.16–0.98) | 0.85 (0.45–0.99) | 0.86 (0.16–0.99) | 0.570 | 0.891 | 0.696 |